assimp/code/MMDPmdParser.h

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2017-02-24 00:35:15 +00:00
#pragma once
#include <vector>
#include <string>
#include <memory>
#include <iostream>
#include <fstream>
#include "MMDCpp14.h"
namespace pmd
{
/// ヘッダ
class PmdHeader
{
public:
/// モデル名
std::string name;
/// モデル名(英語)
std::string name_english;
/// コメント
std::string comment;
/// コメント(英語)
std::string comment_english;
bool Read(std::ifstream* stream)
{
char buffer[256];
stream->read(buffer, 20);
name = std::string(buffer);
stream->read(buffer, 256);
comment = std::string(buffer);
return true;
}
bool ReadExtension(std::ifstream* stream)
{
char buffer[256];
stream->read(buffer, 20);
name_english = std::string(buffer);
stream->read(buffer, 256);
comment_english = std::string(buffer);
return true;
}
};
/// 頂点
class PmdVertex
{
public:
/// 位置
float position[3];
/// 法線
float normal[3];
/// UV座標
float uv[2];
/// 関連ボーンインデックス
uint16_t bone_index[2];
/// ボーンウェイト
uint8_t bone_weight;
/// エッジ不可視
bool edge_invisible;
bool Read(std::ifstream* stream)
{
stream->read((char*) position, sizeof(float) * 3);
stream->read((char*) normal, sizeof(float) * 3);
stream->read((char*) uv, sizeof(float) * 2);
stream->read((char*) bone_index, sizeof(uint16_t) * 2);
stream->read((char*) &bone_weight, sizeof(uint8_t));
stream->read((char*) &edge_invisible, sizeof(uint8_t));
return true;
}
};
/// 材質
class PmdMaterial
{
public:
/// 減衰色
float diffuse[4];
/// 光沢度
float power;
/// 光沢色
float specular[3];
/// 環境色
float ambient[3];
/// トーンインデックス
uint8_t toon_index;
/// エッジ
uint8_t edge_flag;
/// インデックス数
uint32_t index_count;
/// テクスチャファイル名
std::string texture_filename;
/// スフィアファイル名
std::string sphere_filename;
bool Read(std::ifstream* stream)
{
char buffer[20];
stream->read((char*) &diffuse, sizeof(float) * 4);
stream->read((char*) &power, sizeof(float));
stream->read((char*) &specular, sizeof(float) * 3);
stream->read((char*) &ambient, sizeof(float) * 3);
stream->read((char*) &toon_index, sizeof(uint8_t));
stream->read((char*) &edge_flag, sizeof(uint8_t));
stream->read((char*) &index_count, sizeof(uint32_t));
stream->read((char*) &buffer, sizeof(char) * 20);
char* pstar = strchr(buffer, '*');
if (NULL == pstar)
{
texture_filename = std::string(buffer);
sphere_filename.clear();
}
else {
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*pstar = (char)NULL;
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texture_filename = std::string(buffer);
sphere_filename = std::string(pstar+1);
}
return true;
}
};
enum class BoneType : uint8_t
{
Rotation,
RotationAndMove,
IkEffector,
Unknown,
IkEffectable,
RotationEffectable,
IkTarget,
Invisible,
Twist,
RotationMovement
};
/// ボーン
class PmdBone
{
public:
/// ボーン名
std::string name;
/// ボーン名(英語)
std::string name_english;
/// 親ボーン番号
uint16_t parent_bone_index;
/// 末端ボーン番号
uint16_t tail_pos_bone_index;
/// ボーン種類
BoneType bone_type;
/// IKボーン番号
uint16_t ik_parent_bone_index;
/// ボーンのヘッドの位置
float bone_head_pos[3];
void Read(std::istream *stream)
{
char buffer[20];
stream->read(buffer, 20);
name = std::string(buffer);
stream->read((char*) &parent_bone_index, sizeof(uint16_t));
stream->read((char*) &tail_pos_bone_index, sizeof(uint16_t));
stream->read((char*) &bone_type, sizeof(uint8_t));
stream->read((char*) &ik_parent_bone_index, sizeof(uint16_t));
stream->read((char*) &bone_head_pos, sizeof(float) * 3);
}
void ReadExpantion(std::istream *stream)
{
char buffer[20];
stream->read(buffer, 20);
name_english = std::string(buffer);
}
};
/// IK
class PmdIk
{
public:
/// IKボーン番号
uint16_t ik_bone_index;
/// IKターゲットボーン番号
uint16_t target_bone_index;
/// 再帰回数
uint16_t interations;
/// 角度制限
float angle_limit;
/// 影響下ボーン番号
std::vector<uint16_t> ik_child_bone_index;
void Read(std::istream *stream)
{
stream->read((char *) &ik_bone_index, sizeof(uint16_t));
stream->read((char *) &target_bone_index, sizeof(uint16_t));
uint8_t ik_chain_length;
stream->read((char*) &ik_chain_length, sizeof(uint8_t));
stream->read((char *) &interations, sizeof(uint16_t));
stream->read((char *) &angle_limit, sizeof(float));
ik_child_bone_index.resize(ik_chain_length);
for (int i = 0; i < ik_chain_length; i++)
{
stream->read((char *) &ik_child_bone_index[i], sizeof(uint16_t));
}
}
};
class PmdFaceVertex
{
public:
int vertex_index;
float position[3];
void Read(std::istream *stream)
{
stream->read((char *) &vertex_index, sizeof(int));
stream->read((char *) position, sizeof(float) * 3);
}
};
enum class FaceCategory : uint8_t
{
Base,
Eyebrow,
Eye,
Mouth,
Other
};
class PmdFace
{
public:
std::string name;
FaceCategory type;
std::vector<PmdFaceVertex> vertices;
std::string name_english;
void Read(std::istream *stream)
{
char buffer[20];
stream->read(buffer, 20);
name = std::string(buffer);
int vertex_count;
stream->read((char*) &vertex_count, sizeof(int));
stream->read((char*) &type, sizeof(uint8_t));
vertices.resize(vertex_count);
for (int i = 0; i < vertex_count; i++)
{
vertices[i].Read(stream);
}
}
void ReadExpantion(std::istream *stream)
{
char buffer[20];
stream->read(buffer, 20);
name_english = std::string(buffer);
}
};
/// ボーン枠用の枠名
class PmdBoneDispName
{
public:
std::string bone_disp_name;
std::string bone_disp_name_english;
void Read(std::istream *stream)
{
char buffer[50];
stream->read(buffer, 50);
bone_disp_name = std::string(buffer);
bone_disp_name_english.clear();
}
void ReadExpantion(std::istream *stream)
{
char buffer[50];
stream->read(buffer, 50);
bone_disp_name_english = std::string(buffer);
}
};
class PmdBoneDisp
{
public:
uint16_t bone_index;
uint8_t bone_disp_index;
void Read(std::istream *stream)
{
stream->read((char*) &bone_index, sizeof(uint16_t));
stream->read((char*) &bone_disp_index, sizeof(uint8_t));
}
};
/// 衝突形状
enum class RigidBodyShape : uint8_t
{
/// 球
Sphere = 0,
/// 直方体
Box = 1,
/// カプセル
Cpusel = 2
};
/// 剛体タイプ
enum class RigidBodyType : uint8_t
{
/// ボーン追従
BoneConnected = 0,
/// 物理演算
Physics = 1,
/// 物理演算(Bone位置合せ)
ConnectedPhysics = 2
};
/// 剛体
class PmdRigidBody
{
public:
/// 名前
std::string name;
/// 関連ボーン番号
uint16_t related_bone_index;
/// グループ番号
uint8_t group_index;
/// マスク
uint16_t mask;
/// 形状
RigidBodyShape shape;
/// 大きさ
float size[3];
/// 位置
float position[3];
/// 回転
float orientation[3];
/// 質量
float weight;
/// 移動ダンピング
float linear_damping;
/// 回転ダンピング
float anglar_damping;
/// 反発係数
float restitution;
/// 摩擦係数
float friction;
/// 演算方法
RigidBodyType rigid_type;
void Read(std::istream *stream)
{
char buffer[20];
stream->read(buffer, sizeof(char) * 20);
name = (std::string(buffer));
stream->read((char*) &related_bone_index, sizeof(uint16_t));
stream->read((char*) &group_index, sizeof(uint8_t));
stream->read((char*) &mask, sizeof(uint16_t));
stream->read((char*) &shape, sizeof(uint8_t));
stream->read((char*) size, sizeof(float) * 3);
stream->read((char*) position, sizeof(float) * 3);
stream->read((char*) orientation, sizeof(float) * 3);
stream->read((char*) &weight, sizeof(float));
stream->read((char*) &linear_damping, sizeof(float));
stream->read((char*) &anglar_damping, sizeof(float));
stream->read((char*) &restitution, sizeof(float));
stream->read((char*) &friction, sizeof(float));
stream->read((char*) &rigid_type, sizeof(char));
}
};
/// 剛体の拘束
class PmdConstraint
{
public:
/// 名前
std::string name;
/// 剛体Aのインデックス
uint32_t rigid_body_index_a;
/// 剛体Bのインデックス
uint32_t rigid_body_index_b;
/// 位置
float position[3];
/// 回転
float orientation[3];
/// 最小移動制限
float linear_lower_limit[3];
/// 最大移動制限
float linear_upper_limit[3];
/// 最小回転制限
float angular_lower_limit[3];
/// 最大回転制限
float angular_upper_limit[3];
/// 移動に対する復元力
float linear_stiffness[3];
/// 回転に対する復元力
float angular_stiffness[3];
void Read(std::istream *stream)
{
char buffer[20];
stream->read(buffer, 20);
name = std::string(buffer);
stream->read((char *) &rigid_body_index_a, sizeof(uint32_t));
stream->read((char *) &rigid_body_index_b, sizeof(uint32_t));
stream->read((char *) position, sizeof(float) * 3);
stream->read((char *) orientation, sizeof(float) * 3);
stream->read((char *) linear_lower_limit, sizeof(float) * 3);
stream->read((char *) linear_upper_limit, sizeof(float) * 3);
stream->read((char *) angular_lower_limit, sizeof(float) * 3);
stream->read((char *) angular_upper_limit, sizeof(float) * 3);
stream->read((char *) linear_stiffness, sizeof(float) * 3);
stream->read((char *) angular_stiffness, sizeof(float) * 3);
}
};
/// PMDモデル
class PmdModel
{
public:
float version;
PmdHeader header;
std::vector<PmdVertex> vertices;
std::vector<uint16_t> indices;
std::vector<PmdMaterial> materials;
std::vector<PmdBone> bones;
std::vector<PmdIk> iks;
std::vector<PmdFace> faces;
std::vector<uint16_t> faces_indices;
std::vector<PmdBoneDispName> bone_disp_name;
std::vector<PmdBoneDisp> bone_disp;
std::vector<std::string> toon_filenames;
std::vector<PmdRigidBody> rigid_bodies;
std::vector<PmdConstraint> constraints;
static std::unique_ptr<PmdModel> LoadFromFile(const char *filename)
{
std::ifstream stream(filename, std::ios::binary);
if (stream.fail())
{
std::cerr << "could not open \"" << filename << "\"" << std::endl;
return nullptr;
}
auto result = LoadFromStream(&stream);
stream.close();
return result;
}
/// ファイルからPmdModelを生成する
static std::unique_ptr<PmdModel> LoadFromStream(std::ifstream *stream)
{
auto result = mmd::make_unique<PmdModel>();
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char buffer[100];
// magic
char magic[3];
stream->read(magic, 3);
if (magic[0] != 'P' || magic[1] != 'm' || magic[2] != 'd')
{
std::cerr << "invalid file" << std::endl;
return nullptr;
}
// version
stream->read((char*) &(result->version), sizeof(float));
if (result ->version != 1.0f)
{
std::cerr << "invalid version" << std::endl;
return nullptr;
}
// header
result->header.Read(stream);
// vertices
uint32_t vertex_num;
stream->read((char*) &vertex_num, sizeof(uint32_t));
result->vertices.resize(vertex_num);
for (uint32_t i = 0; i < vertex_num; i++)
{
result->vertices[i].Read(stream);
}
// indices
uint32_t index_num;
stream->read((char*) &index_num, sizeof(uint32_t));
result->indices.resize(index_num);
for (uint32_t i = 0; i < index_num; i++)
{
stream->read((char*) &result->indices[i], sizeof(uint16_t));
}
// materials
uint32_t material_num;
stream->read((char*) &material_num, sizeof(uint32_t));
result->materials.resize(material_num);
for (uint32_t i = 0; i < material_num; i++)
{
result->materials[i].Read(stream);
}
// bones
uint16_t bone_num;
stream->read((char*) &bone_num, sizeof(uint16_t));
result->bones.resize(bone_num);
for (uint32_t i = 0; i < bone_num; i++)
{
result->bones[i].Read(stream);
}
// iks
uint16_t ik_num;
stream->read((char*) &ik_num, sizeof(uint16_t));
result->iks.resize(ik_num);
for (uint32_t i = 0; i < ik_num; i++)
{
result->iks[i].Read(stream);
}
// faces
uint16_t face_num;
stream->read((char*) &face_num, sizeof(uint16_t));
result->faces.resize(face_num);
for (uint32_t i = 0; i < face_num; i++)
{
result->faces[i].Read(stream);
}
// face frames
uint8_t face_frame_num;
stream->read((char*) &face_frame_num, sizeof(uint8_t));
result->faces_indices.resize(face_frame_num);
for (uint32_t i = 0; i < face_frame_num; i++)
{
stream->read((char*) &result->faces_indices[i], sizeof(uint16_t));
}
// bone names
uint8_t bone_disp_num;
stream->read((char*) &bone_disp_num, sizeof(uint8_t));
result->bone_disp_name.resize(bone_disp_num);
for (uint32_t i = 0; i < bone_disp_num; i++)
{
result->bone_disp_name[i].Read(stream);
}
// bone frame
uint32_t bone_frame_num;
stream->read((char*) &bone_frame_num, sizeof(uint32_t));
result->bone_disp.resize(bone_frame_num);
for (uint32_t i = 0; i < bone_frame_num; i++)
{
result->bone_disp[i].Read(stream);
}
// english name
bool english;
stream->read((char*) &english, sizeof(char));
if (english)
{
result->header.ReadExtension(stream);
for (uint32_t i = 0; i < bone_num; i++)
{
result->bones[i].ReadExpantion(stream);
}
for (uint32_t i = 0; i < face_num; i++)
{
if (result->faces[i].type == pmd::FaceCategory::Base)
{
continue;
}
result->faces[i].ReadExpantion(stream);
}
for (uint32_t i = 0; i < result->bone_disp_name.size(); i++)
{
result->bone_disp_name[i].ReadExpantion(stream);
}
}
// toon textures
if (stream->peek() == std::ios::traits_type::eof())
{
result->toon_filenames.clear();
}
else {
result->toon_filenames.resize(10);
for (uint32_t i = 0; i < 10; i++)
{
stream->read(buffer, 100);
result->toon_filenames[i] = std::string(buffer);
}
}
// physics
if (stream->peek() == std::ios::traits_type::eof())
{
result->rigid_bodies.clear();
result->constraints.clear();
}
else {
uint32_t rigid_body_num;
stream->read((char*) &rigid_body_num, sizeof(uint32_t));
result->rigid_bodies.resize(rigid_body_num);
for (uint32_t i = 0; i < rigid_body_num; i++)
{
result->rigid_bodies[i].Read(stream);
}
uint32_t constraint_num;
stream->read((char*) &constraint_num, sizeof(uint32_t));
result->constraints.resize(constraint_num);
for (uint32_t i = 0; i < constraint_num; i++)
{
result->constraints[i].Read(stream);
}
}
if (stream->peek() != std::ios::traits_type::eof())
{
std::cerr << "there is unknown data" << std::endl;
}
return result;
}
};
}